JBL SRX 718S Subwoofer

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High PowerAmplifier manufacturers are building amps that can produce more power at less cost than ever before. The SRX700 series lets you unleash that power with a new generation of high-power low-frequency drivers. That would be enough for most manufacturers, but JBL accomplished this while also greatly reducing the weight of the drivers.

Incredibly LightweightSRX700 uses JBLs patented Differential Drive woofers with neodymium magnets. Neodymium's magnetic properties allow a few ounces to replace pounds of conventional magnet material. While other speaker manufacturers may use neodymium, JBL engineers created a design that reduces the massive (and heavy) steel top plates, back plates, and pole pieces that complete the magnetic circuit. The JBL Differential Drive design uses two voice-coils for greater power handling and actually puts the small neodymium magnets inside the voice-coil. This design greatly reduces weight while increasing power capacity, decreasing distortion, and reducing power compression.

SRX718S 18" subwooferThe SRX718S subwoofers compact design is equally at home as a small, highperformancesatellite subwoofer system or as a building block for largersubwoofer arrays. The 13-ply birch enclosure is rigidly braced for solid response.A top-mounted, M20 threaded pole receptacle is used to ensure that evenheavier, high-power satellite speakers can be securely mounted using the optional,adjustable SS4-BK speaker pole. Threaded insert points are provided forattachment of the optional WK-4S wheel kit.